In the Oct. 14 SN: 2017’s scientists to watch, duel over a real-life Brienne of Tarth, the origin of ultrahigh energy cosmic rays, long-lasting spheres of color, watermelon snow’s downside, support for the Unruh effect, polite robots and more.

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With RNA interference, gene silencing roars into labs

Although you don't hear a thing, there is a raucous party going on inside each one of your cells. Each minute of every day, molecules are murmuring information from one to the next in an ancient version of the game of telephone.

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